2024年12月完成（补充提交）

Chapter 8/8-5gen_sentence/例题改/pics.cpp

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+#include <algorithm>
+#include <string>
+#include <vector>
+
+#include "pics.h"
+
+using std::string;
+using std::vector;
+using std::max;
+
+#ifdef _MSC_VER
+//#include "../minmax.h"
+#else
+//using std::max;
+#endif
+
+string::size_type width(const vector<string>& v)
+{
+	string::size_type maxlen = 0;
+#ifdef _MSC_VER
+	for(std::vector<string>::size_type i = 0; i != v.size(); ++i)
+#else
+	for(vector<string>::size_type i = 0; i != v.size(); ++i)
+#endif
+		maxlen = max(maxlen, v[i].size());
+	return maxlen;
+}
+
+vector<string> frame(const vector<string>& v)
+{
+	vector<string> ret;
+	string::size_type maxlen = width(v);
+	string border(maxlen + 4, '*');
+
+	// write the top border
+	ret.push_back(border);
+
+	// write each interior row, bordered by an asterisk and a space
+#ifdef _MSC_VER
+	for (std::vector<string>::size_type i = 0; i != v.size(); ++i) {
+#else
+	for (vector<string>::size_type i = 0; i != v.size(); ++i) {
+#endif
+		ret.push_back("* " + v[i] +
+		              string(maxlen - v[i].size(), ' ') + " *");
+	}
+
+	// write the bottom border
+	ret.push_back(border);
+	return ret;
+}
+
+vector<string> vcat(const vector<string>& top,
+                    const vector<string>& bottom)
+{
+	// copy the `top' picture
+	vector<string> ret = top;
+
+	// copy entire `bottom' picture
+#ifdef _MSC_VER
+	for (std::vector<string>::const_iterator it = bottom.begin();
+#else
+	for (vector<string>::const_iterator it = bottom.begin();
+#endif
+	     it != bottom.end(); ++it)
+		ret.push_back(*it);
+
+	return ret;
+}
+
+vector<string>
+hcat(const vector<string>& left, const vector<string>& right)
+{
+	vector<string> ret;
+
+	// add 1 to leave a space between pictures
+	string::size_type width1 = width(left) + 1;
+
+	// indices to look at elements from `left' and `right' respectively
+#ifdef _MSC_VER
+	std::vector<string>::size_type i = 0, j = 0;
+#else
+	vector<string>::size_type i = 0, j = 0;
+#endif
+	string s;
+	// continue until we've seen all rows from both pictures
+	while (i != left.size() || j != right.size()) {
+		// construct new `string' to hold characters from both pictures
+		//string s;
+
+		// copy a row from the left-hand side, if there is one
+		if (i != left.size())
+			s = left[i++];
+
+		// pad to full width
+		s += string(width1 - s.size(), ' ');
+
+		// copy a row from the right-hand side, if there is one
+		if (j != right.size())
+			s += right[j++];
+
+		// add `s' to the picture we're creating
+		ret.push_back(s);
+	}
+
+	return ret;
+}
+

Chapter 8/8-5gen_sentence/例题改/pics.h

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+#ifndef GUARD_pics_h
+#define GUARD_pics_h
+
+#include <string>
+#include <vector>
+
+std::string::size_type width(const std::vector<std::string>& v);
+
+std::vector<std::string> frame(const std::vector<std::string>& v);
+
+std::vector<std::string> vcat(const std::vector<std::string>& top,
+                              const std::vector<std::string>& bottom);
+
+std::vector<std::string> hcat(const std::vector<std::string>& left,
+                              const std::vector<std::string>& right);
+
+#endif

Chapter 8/8-5gen_sentence/例题改/pics_main.cpp

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+#include <algorithm>
+#include <iostream>
+#include <iterator>
+#include <string>
+#include <vector>
+
+#include "pics.h"
+
+using std::cout;
+using std::copy;
+using std::endl;
+using std::ostream_iterator;
+using std::string;
+using std::vector;
+
+int main()
+{
+	vector<string> p;
+	p.push_back("this is an");
+	p.push_back("example");
+	p.push_back("to");
+	p.push_back("illustrate");
+	p.push_back("framing");
+
+	ostream_iterator<string>ofile(cout, "\n");
+	copy(p.begin(), p.end(), ofile);
+	cout << endl;
+
+	vector<string> f = frame(p);
+	copy(f.begin(), f.end(), ofile);	cout << endl;
+
+	vector<string> h = hcat(p,frame(p));
+	copy(h.begin(), h.end(), ofile);
+	cout << endl;
+
+	return 0;
+}
+
+
+
+#include <algorithm>      // 引入算法库，提供常用的算法
+#include <iostream>       // 引入标准输入输出流库
+#include <iterator>       // 引入迭代器库
+#include <string>         // 引入字符串库
+#include <vector>         // 引入动态数组（vector）库
+
+#include "pics.h"         // 引入自定义的 pics.h 库（假设此库包含框架生成和拼接相关的功能）
+
+using std::cout;           // 使用标准输出流
+using std::copy;           // 引入copy算法
+using std::endl;           // 引入换行符
+using std::ostream_iterator; // 引入输出流迭代器，用于输出容器的内容
+using std::string;         // 使用字符串类型
+using std::vector;         // 使用vector容器
+
+int main() {
+    // 创建一个vector<string>类型的容器 p，存储字符串
+    vector<string> p;
+    p.push_back("this is an");    // 添加一个字符串
+    p.push_back("example");       // 添加一个字符串
+    p.push_back("to");            // 添加一个字符串
+    p.push_back("illustrate");    // 添加一个字符串
+    p.push_back("framing");       // 添加一个字符串
+
+    // 创建输出流迭代器，指定输出到 cout，并且每个元素输出后换行
+    ostream_iterator<string> ofile(cout, "\n");
+
+    // 使用copy算法，将vector p中的内容逐个输出
+    copy(p.begin(), p.end(), ofile);
+    cout << endl;  // 输出换行符
+
+    // 对vector p应用框架操作，生成一个新的vector f
+    vector<string> f = frame(p);
+    // 使用copy算法，将vector f中的内容逐个输出
+    copy(f.begin(), f.end(), ofile);
+    cout << endl;  // 输出换行符
+
+    // 将vector p和vector f进行横向拼接，生成一个新的vector h
+    vector<string> h = hcat(p, frame(p));
+    // 使用copy算法，将vector h中的内容逐个输出
+    copy(h.begin(), h.end(), ofile);
+    cout << endl;  // 输出换行符
+
+    return 0;  // 程序正常结束
+}